package com.cd2cd.code_template.configuration.security;

import org.springframework.security.crypto.password.PasswordEncoder;

import java.security.MessageDigest;

public class Md5PasswordEncoder implements PasswordEncoder {

	@Override
	public String encode(CharSequence rawPassword) {
		return md5Encode((String) rawPassword);
	}

	@Override
	public boolean matches(CharSequence rawPassword, String encodedPassword) {
		return encodedPassword.equals(md5Encode((String) rawPassword));
	}
	
	private static final String SALT = "tamboo";

    public static String md5Encode(String password) {
        password = password + SALT;
        MessageDigest md5 = null;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        char[] charArray = password.toCharArray();
        byte[] byteArray = new byte[charArray.length];

        for (int i = 0; i < charArray.length; i++)
            byteArray[i] = (byte) charArray[i];
        byte[] md5Bytes = md5.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16) {
                hexValue.append("0");
            }

            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();
    }
}
